**Describe the bug** Can't get to calculate last 3 items positions and sizes. <img src="https://user-images.githubusercontent.com/49204989/94087516-f2b78500-fddb-11ea-9bc4-dc4df34607c6.png" /> https://github.com/NBK-Group/ss_bottom_navbar/blob/162435c2eddaef4780c27f6036eadb90f862ec5a/lib/helper/empty_item.dart#L35-L41 **To Reproduce** Steps to reproduce the behavior: 1. Clone the repo 2. Run on a real device **Expected behavior** Should be like this. <img src="https://github.com/NBK-Group/ss_bottom_navbar/blob/master/images/showcase.gif?raw=true" width="250" /> **Screenshots** <img src="https://user-images.githubusercontent.com/49204989/94085354-dc0e2f80-fdd5-11ea-8b67-e2fd672fb34a.gif" width="250" /> **Smartphone (please complete the following information):** - Android Emulators (first build runs smoothly but after hot restart, the same bug continues) - Android Device (Android 11) - iPhone 11 (iOS 14)
Describe the bug

Can't get to calculate last 3 items positions and sizes.
https://github.com/NBK-Group/ss_bottom_navbar/blob/162435c2eddaef4780c27f6036eadb90f862ec5a/lib/helper/empty_item.dart#L35-L41
To Reproduce
Steps to reproduce the behavior:
Expected behavior

Should be like this.
Screenshots

Smartphone (please complete the following information):